Sr. Windows administrator

Hiring for Sr. Windows administratorLocation- SydneyPosition- PermanentJD-DescriptionKey ResponsibilitiesSystem Maintenance: Install, configure, and maintain Windows Servers, workstations, and associated hardware/software.Active Directory & User Management: Manage user accounts, security groups, and permissions via Active Directory and Group Policy (GPO).O365 troubleshooting and supportIntune/SCCM packagingSecurity & Patch Management: Implement security protocols, including firewalls and antivirus, and apply regular security updates (patches).Data Backup & Recovery: Perform, monitor, and test regular backups to ensure data integrity and disaster recovery capabilities.Monitoring & Optimization: Monitor system performance, resource usage (CPU, memory, disk space), and analyze logs to resolve issues.Troubleshooting: Provide Tier 2/3 technical support, diagnosing and resolving complex infrastructure issues.Required Skills and QualificationsWindows OS Expertise: Deep knowledge of Windows Server 2016/2019/2022 and modern desktop OS.Networking Knowledge: Understanding of TCP/IP, DNS, DHCP, VPNs, and firewalls.Virtualization: Experience with VMware vSphere, Hyper-V, or similar virtualization platforms.Scripting: Proficiency in PowerShell for automation and task management.Cloud Experience: Familiarity with Azure Active Directory or M365 administration.Documentation: Ability to document system configurations, procedures, and service recordsITIL certified - Change, problem,experience in creating RCA and KB documentsMonitoring tools - Service now , BMC.Interested candidates can Apply or share updated CV on or can reach me on .RegardsPurnima

Created: 2026-02-19